How to block image spma mails

Hi,

in exchange 2007 , i want to know how to block image spam mail .
actually i am receiving more spam mails with insert image file and every mails are body message,subject ,sender id, sender ip are changed .
i am very frusted that how to block that mail please can u assitance me.
thanks
nesarmatrixAsked:
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vikasjusCommented:
Ex 2k7 has general spam policy which need to be manualy update which you are already doing but not getting required results.
If spam mails are porn mails then you can not stop it using 2k7 message filter service, you need to go for SPAM filter device or application which can do it. You can check for IMSS, GFI mail, for hardware appliance like iron port or baracuda. You will be able to block spam mails by having gateway software from mcafee, norton etc.
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Rajith EnchiparambilOffice 365 & Exchange ArchitectCommented:
If exchange spam filtering doesn't pick it, then there is nothing much you can do, except testing other spam filtering softwares.

http://www.msexchange.org/software/Anti_Spam/ explains a few of them.
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